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Acta Scientiarum: Technology
Scopus
ISSN 1806-2563 · Universidade Estadual de Maringá · 1.844 artikel di indeks
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Artikel Jurnal
An analytic hierarchy process–based student arrangement in post-COVID-19
In the post-COVID-19 era, balancing public health and maintaining teenagers´ education is critical. Hence, schools have started implementing in-person and distance learning classes simultaneously to avoid large-scale gatherings. Traditionally, many Taiwanese elementary schools prefer employing the…
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Enhancing Efficiency in Public Education Expenditure through Short-Term Forecasting
This study presents a short-term forecast of the financial expenses of a Federal Institution of Higher Education (HEI) within the context of budgetary challenges in Brazil, especially in the field of public education. Based on time series data of HEI expenditures, the SARIMA model is employed to…
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Modelling the dispersion of pollutants in the water supply of a metropolis in the Amazon
Belém, the capital of the state of Pará and the host city of COP30 (30th United Nations Climate Change Conference), located in the Brazilian Amazon, faces a risk to its potable water source due to pollution. Thus, the study aims to model the dispersion of pollutants, in this case, phosphorus…
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Optimizing Tower Crane Risk Management and Accident Prevention Through Systematic Event Tree Analysis
Today, due to increasing technology and population density, the number of skyscraper constructions and residences is increasing rapidly. Tower cranes help in the rapid construction of constructions in terms of the ease of service of the machinery and equipment they provide during the construction…
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Understanding the perception of consumers through different affective scales and their interactions: A case study with strawberries
Affective scales play a crucial role in determining product quality by accurately measuring consumers’ sensory and attitudinal responses. This study aimed to assess consumer behavior towards strawberries using various affective scales and measures. A total of 715 consumers evaluated 30 strawberry…
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f-lacunary statistical convergence in topological groups
In this study, we will define the concept of -lacunary statistical convergence in topological groups with the help of an unbounded modulus function. In addition, we will examine some inclusion theorems for different unbounded modulus functions in topological groups.
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Attitudes of health and safety engineering students toward the use of hydrogen as a renewable energy source in Algeria
This study explored the attitudes of health and safety engineering students towards hydrogen as a renewable energy source in Algeria. The results indicated a generally moderate attitude with strong support for replacing fossil fuels with new energy technologies. Significant differences were…
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Theoretical framework for DOUBLE-DOUBLE composite plates under bending loads
This paper provides an insightful comparative analysis of laminated composite plates, focusing on two main stacking sequence groups: the traditional QUAD and the more recent DOUBLE-DOUBLE (DD) proposed by Professor Stephen Tsai. The investigation thoroughly explores the extensional, coupling, and…
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The Use of Supercritical CO? with Additives to Enhance Starch-Digesting Enzyme Activities in Bacillus subtilis
Supercritical carbon dioxide (SC-CO2) has been proposed as a sterilization technique and utilized as a breeding method to enhance the activity of enzymes produced by microorganisms by treating their vegetative cells. This study explores whether this breeding method could be applicable to bacterial…
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Overall quality of gluten-free araçá (Psidium Acutangulum DC.) cereal bars
Health-conscious consumers are interested in products with an increased functional property and differentiated sensory characteristics. Processing native fruits offers promising perspectives for incoming aggregation, as well as providing foods with high nutritional value. This study evaluated the…
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Biodegradation of a textile dye by Ganoderma lucidum: scale-up into packed-bed bioreactors
This study presents the scale-up of the discoloration process of the dye Remazol Brilliant Blue R (RBBR) by the white-rot fungus Ganoderma lucidum. Experiments were initially conducted in a 2-L lab-scale bioreactor and subsequently scaled up to a 45-L packed-bed bioreactor operated in batch mode…
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Starch-Based Coating from ‘Tommy Atkins’ Mango Seed Almond with Added Plasticizers for Post-Harvest Preservation of Mangoes
This study investigates the potential of starch-based coatings derived from 'Tommy Atkins' mango seed kernels, integrated with glycerol and sorbitol as plasticizers, as a sustainable solution for the post-harvest preservation of mangoes (Mangifera indica L.). Utilizing agro-industrial by-products…
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The Effect of Lentil and Chickpea Flour incorporation on Pasta Quality
The incorporation of legume flours in cereal-based products, such as pasta, is gaining the attention of food technologists and industries. This trend is also gaining popularity among consumers due to legumes’ exceptional nutritional profiles. The aim of the present work was to study the effect of…
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Nail laminated timber: A sustainable and low - cost alternative for construction
Nail Laminated Timber (NLT) stands out in the construction industry due to its structural characteristics, environmental benefits, and ease of fabrication. It is an engineered wood panel composed of lamellae arranged side by side and joined using nails, which can be either metallic or wooden…
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Bioenergy Recovery in Full-Scale Anaerobic Co-digestion of Swine Wastewater and Pig Bedding Material
Pig farming represents a rapidly expanding segment of Brazil’s agricultural sector, concomitant with the generation of substantial volumes of wastewater, the effective management of which demands strategic solutions. Anaerobic digestion has been identified as a promising solution for the…
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Laccase and lignin peroxidase production and decolorization of xenobiotic dyes by species of Polyporaceae (Basidiomycota) from South America
Polyporaceae are known as wood decaying fungi with enzymatic production that plays an important role in environmental processes. Laccase (Lac) and lignin peroxidase (LiP) are two of the most explored enzymes and show significant industrial importance in degrading textile dyes, including Remazol…
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Dynamics and control of an energy harvesting system using the Lyapunov-Floquet transformation and sensitivity analysis using Sobol indices
This study aimed to design a linear feedback control approach for a parametrically excited energy harvesting system utilizing a piezoelectric material as the transduction element. The purpose was to significantly increase the amount of energy produced compared to that produced by the original…
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A Cognitive Study on Traffic Calming Measures at Urban Dwellings
Traffic calming measures aim to lessen accidents and increase user mobility in areas with large pedestrian traffic. Reduced speed zones and infrastructural modifications are two operations carried out to achieve the same. These measures may have the opposite impact on road users´ perception…
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Comparison of geophysical survey and diamond core drilling results in a potential basalt quarry site
This study evaluated the suitability of a potential site for quarrying. Geoscientific data are needed to assess the potential of a site for quarrying. These geoscientific data are geological, geophysical, and drilling data. Diamond core drilling boreholes are drilled at 23 - 35 m depths in the…
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Enhanced DI Correlation Using WHWC Model Spanning the Visible and Near-Infrared Spectrum
Digital Image Correlation (DIC) is an advanced technique used for precise measurement of deformations, displacements, and strains on material surfaces through the analysis of digital images taken before and after loading. This paper introduces an alternative approach to DIC that integrates the…
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